Home / 15,885.53-23,828.39-4,198.63

Finding the Fourth Proportional to 15,885.53, 23,828.39 and 4,198.63

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Solution

The fourth proportional to 15,885.53, 23,828.39 and 4,198.63 is: 6,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.53 : 23,828.39 = 4,198.63 : x
  2. Step 2: Convert to fraction form
    15,885.53/23,828.39 = 4,198.63/x
  3. Step 3: Cross multiply
    15,885.53x = 23,828.39 × 4,198.63
  4. Step 4: Simplify right side
    15,885.53x = 100,046,452.97
  5. Step 5: Solve for x
    x = 100,046,452.97/15,885.53
  6. Step 6: Final answer
    x = 6,297.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.